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Cheap flights from Ireland to the United States from £239

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LAX
27 Feb — 6 Mar1
1 adult

Cheap flight deals from Ireland to USA

Keep the following information in mind while searching for Ireland to USA flight deals. Data was last updated 22 February 2025.

Round-trip from

£277

One-way from

£239

Popular in

July

Cheapest in

February

Average price

£364

Good round-trip deal

£304 or less

Good one-way deal

£348 or less
PLAY
  • PLAY
  • 27/3-3/4
  • 2 total stops
  • 21h 20m total
  • Ireland to USA
Search Deals
15/5
  • 15/5
  • 1 total stop
  • 13h 05m total
  • Ireland to USA
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
Price to beat on a round-trip flight from Ireland to USA.
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Price to beat on a one-way flight from Ireland to USA.
Search Deals

Find flight deals from Ireland to USA

Cheapest flights from Ireland to USA
Explore the most affordable flight options available from Ireland to USA. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Thu 27/311:00DUB - BOS
1 stop11h 00mPLAY
Thu 3/419:15BOS - DUB
1 stop10h 20mPLAY
Deal found 22/2£277
Thu 3/411:45DUB - EWR
2 stops30h 30mScandinavian Airlines
Sun 6/418:50EWR - DUB
1 stop11h 40mScandinavian Airlines
Deal found 22/2£286
Fri 7/315:55DUB - BOS
1 stop11h 00mBritish Airways
Sun 9/323:00BOS - DUB
1 stop9h 10mBritish Airways
Deal found 21/2£310
Thu 24/414:15DUB - EWR
1 stop9h 55mIcelandair
Mon 28/420:25EWR - DUB
1 stop9h 40mIcelandair
Deal found 21/2£311
Thu 6/305:55DUB - BOS
1 stop12h 26mKLM
Mon 10/322:15BOS - DUB
Nonstop6h 10mKLM
Deal found 21/2£311
Fri 4/411:35DUB - FLL
2 stops32h 09mMultiple Airlines
Sat 5/418:36FLL - DUB
2 stops33h 59mMultiple Airlines
Deal found 22/2£326
Tue 6/512:40DUB - BOS
1 stop31h 55mScandinavian Airlines
Tue 27/517:40BOS - DUB
1 stop19h 35mScandinavian Airlines
Deal found 22/2£328
Fri 28/305:55DUB - BOS
1 stop12h 30mDelta
Sun 6/423:30BOS - DUB
Nonstop6h 15mDelta
Deal found 22/2£334
Fri 7/310:55DUB - BOS
2 stops17h 16mMultiple Airlines
Sun 9/323:00BOS - DUB
1 stop9h 10mMultiple Airlines
Deal found 21/2£337
Tue 1/412:00DUB - LGA
1 stop13h 28mKLM
Tue 8/417:00LGA - DUB
1 stop12h 45mKLM
Deal found 21/2£352
Wed 5/313:00DUB - EWR
1 stop11h 35mBritish Airways
Tue 11/319:40EWR - DUB
1 stop10h 00mBritish Airways
Deal found 21/2£353
Mon 24/316:45DUB - BOS
Nonstop7h 10mAer Lingus
Mon 31/317:30BOS - DUB
Nonstop6h 05mAer Lingus
Deal found 22/2£355

Find flights from Ireland to USA within your budget

Customise your flight search to find flights from Ireland to USA that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 February 2025.

Fly from

Ireland

Fly to

USA

Route

Depart

Return

Price

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 27/3

11:00-18:00

1 stop11h 00m

Boston Logan Intl

Thu 3/4

19:15-10:35

1 stop10h 20m

£277

DublinNewark

DUB - EWR

DUBEWR

Dublin

Thu 3/4

11:45-13:15

2 stops30h 30m

Newark

Sun 6/4

18:50-11:30

1 stop11h 40m

£286

DublinBoston

DUB - BOS

DUBBOS

Dublin

Fri 7/3

15:55-21:55

1 stop11h 00m

Boston Logan Intl

Sun 9/3

23:00-12:10

1 stop9h 10m

£310

DublinNewark

DUB - EWR

DUBEWR

Dublin

Thu 24/4

14:15-19:10

1 stop9h 55m

Newark

Mon 28/4

20:25-11:05

1 stop9h 40m

£311

DublinBoston

DUB - BOS

DUBBOS

Dublin

Thu 6/3

05:55-13:21

1 stop12h 26m

Boston Logan Intl

Mon 10/3

22:15-08:25

Nonstop6h 10m

£311

DublinFort Lauderdale

DUB - FLL

DUBFLL

Dublin

Fri 4/4

11:35-14:44

2 stops32h 09m

Fort Lauderdale

Sat 5/4

18:36-09:35

2 stops33h 59m

£326

DublinBoston

DUB - BOS

DUBBOS

Dublin

Tue 6/5

12:40-15:35

1 stop31h 55m

Boston Logan Intl

Tue 27/5

17:40-18:15

1 stop19h 35m

£328

DublinBoston

DUB - BOS

DUBBOS

Dublin

Fri 28/3

05:55-14:25

1 stop12h 30m

Boston Logan Intl

Sun 6/4

23:30-10:45

Nonstop6h 15m

£334

DublinBoston

DUB - BOS

DUBBOS

Dublin

Fri 7/3

10:55-23:11

2 stops17h 16m

Boston Logan Intl

Sun 9/3

23:00-12:10

1 stop9h 10m

£337

DublinNew York

DUB - LGA

DUBLGA

Dublin

Tue 1/4

12:00-20:28

1 stop13h 28m

New York LaGuardia

Tue 8/4

17:00-10:45

1 stop12h 45m

£352

Flights are sorted by cheapest return flights first.

Deals found on 21/2

Showing 1-10 of 60 results
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Best time to book a flight from Ireland to USA

Have a flexible travel schedule? Discover the best time to fly to USA from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Ireland to USA

Get recent, data-driven insights about flights from Ireland to USA including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ireland to USA?

Currently, January is the cheapest month in which you can book a flight from Ireland to USA (average of £575). Flying from Ireland to USA in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to US?

Find hourly flight availability from Ireland to USA. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 February 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to USA as you normally would.

Rainfall in USA by month

Plan your trip to USA by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in USA ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit USA when rainfall is around 71.0 mm.

Temperature in USA by month

Plan your trip to USA by taking into account the average temperature totals by month.

If weather is an important factor for your trip to USA, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).

Reviews of airlines servicing USA

Get insights into the airlines that provide service to USA. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to USA. Reviews last updated 22 February 2025.
Get a feel of what it's like to fly with Delta, KLM and Air Transat from Ireland to USA by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,203 reviews
Check prices

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very Good
8,203 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,332 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
382 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair
7.6
Good
1,271 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Austrian Airlines
7.5
Good
771 reviews
Delta
8.0
Very Good
8,203 reviews
Check prices

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Crew

8.5

Comfort

8.0

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to USA. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ireland to USA flight route?

    Within the past month, 368 users have taken a look at flights from Ireland to United States.

  • What are the cheapest airlines to fly from Ireland to USA one-way?

    The cheapet airlines for a one-way flight from Ireland to USA are WestJet (£244), TAP AIR PORTUGAL (£291), and PLAY (£295).

  • Can I find deals for flights from Ireland to USA that include hotel bookings?

    Yes. In addition to deals on Ireland to USA flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to USA?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to USA.

  • Can I find deals for business class flights from Ireland to USA?

    Yes. Cheapflights offers flight deals from Ireland to USA by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to USA?

    Currently, January is the cheapest month in which you can book a flight from Ireland to USA (average of £575). Flying from Ireland to USA in July is currently the most expensive (average of £811). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to USA

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ireland to USA

Discover the top 10 airlines that operate flights from Ireland to USA. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 February 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest£217Average£371FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
Scandinavian AirlinesCheapest£233Average£367FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapest£267Average£445FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£283Average£513FlexibilityNo cancel feeOn-time70%
Search British Airways flights
JetBlueCheapest£290Average£551FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£299Average£502FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£314Average£545FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£317Average£548FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£321Average£463FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
DeltaCheapest£323Average£529FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to USA?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ireland to USA. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ireland to USA?

Cheapflights helps you find that perfect flight to USA from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to USA with no change fees?

Yes, we can. To see specific flights from Ireland to USA with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ireland to USA become cheaper?

Yes, Cheapflights offers price alerts on Ireland to USA flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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